一个新的高电压增压升级转换器,具有最小相位特性
Seyed Mohsen Salehi1, Ali Yazdian Varjani2
1Faculty of Electrical and Computer Engineering, Tarbiat Modares University, Tehran, Iran. seyedmohsen.salehi@modares.ac.ir.
Scientific reports
|July 23, 2025
概括
这项研究引入了一种新的直流-直流转换器拓,克服了传统设计不理想的非最小相位特征. 新的转换器确保了高效的功率电子系统的稳定性和动态响应.
科学领域:
- 电气工程 电气工程
- 电力电子 电力电子 电力电子
- 控制系统 控制系统
背景情况:
- 传统的直流-直流转换器由于右半平面的零值,经常表现出非最小相位特征.
- 这些特性限制了稳定性边际,并降低了功率电子系统的动态响应时间.
研究的目的:
- 介绍一种新的直流-直流转换器拓,消除非最小相位问题.
- 为了实现所需的电压增益并提高功率转换中的动态性能.
主要方法:
- 使用合电感器进行能量传输,并通过绕线配置实现电压增益.
- 执行稳定状态分析电压增加,设备应力和损失.
- 进行小信号分析,以导出控制到输出传输函数.
主要成果:
- 这种新的拓学成功地解决了非最小相位问题.
- 稳态和小信号分析提供了对转换器性能的全面了解.
- 实验室原型和模拟验证了数学分析和拟议的设计.
结论:
- 拟议的直流-直流转换器拓为克服非最小相位限制提供了一个可行的解决方案.
- 这种进步有助于更稳定,更快速响应的功率电子系统.
- 经过验证的设计可实现高效的功率转换,具有增强的动态特性.
相关概念视频
Gain
242
Gain and phase shift are properties of linear circuits that describe the effect a circuit has on a sinusoidal input voltage or current. The circuit's behavior that contains reactive elements will depend on the frequency of the input sinusoid. As a result, it is observed that the gain and phase shift will all be frequency functions.
Gain:
Suppose Vin is the input and Vout is the output signal to a circuit.
Gain:
Suppose Vin is the input and Vout is the output signal to a circuit.
242
Voltage Doubler Circuit
862
A voltage doubler circuit integrates two main components: a clamping section and a rectifier section. The clamping section consists of a capacitor (C1) and a diode (D1), whereas the rectifier section is equipped with another diode (D2) and capacitor (C2). This circuit produces an output voltage with twice the amplitude of the sinusoidal input voltage.
862
Time and frequency -Domain Interpretation of Phase-lead Control
139
Phase-lead controllers are commonly used in various control systems to enhance response speed and stability. Adjusting the brightness on a television screen offers a practical example of phase-lead control. When contrast is enhanced, a phase-lead controller is employed. Mathematically, phase-lead control is identified when the first parameter is smaller than the second.
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
139
Phase-lead and Phase-lag Controllers
227
Understanding the working function of different types of controllers can be illustrated with practical analogies, such as adjusting a stereo's volume equalizer. Cranking up the bass involves a phase-lead controller, which functions as a high-pass filter, while increasing the treble uses a phase-lag controller, which acts as a low-pass filter. PD controllers, similar to high-pass filters, enhance the system's response to high-frequency components. PI controllers, akin to low-pass...
227
Three-Phase Voltages
306
A three-phase generator produces three voltages that are equal in magnitude but have a phase difference of 120 degrees. This identical magnitude and equal phase separated voltages are known as the balanced voltages and help to minimize power loss while ensuring a steady delivery of energy to connected loads. As voltage sources in a three-phase system can be configured in a wye or a delta formation, the loads connected to these systems can also be arranged in either configuration. This...
306
Generation of Three-Phase Voltage
470
A three-phase AC generator has a rotor with a rotating magnet placed within the stator mounted with the stationary three-phase winding to generate three-phase voltages via mutual induction. These windings are evenly distributed around the inner circumference of the stator and are arranged 120 electrical degrees apart. Three-phase stator windings consist of three separate coils or groups of coils, known as phases, each connected in Y (star) configuration or Delta configuration.
As the rotor...
As the rotor...
470


